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What causes the high-pitched voice associated with inhaling helium?

April 26, 2017associated causes helium high-pitched inhaling Voice

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What causes the high-pitched voice associated with inhaling helium?

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The sound quality of a person’s voice will change after inhaling helium, because helium is less dense than the air in the atmosphere. Although the gas is nontoxic, inhaling helium can displace oxygen in the body, which will cause headaches, dizziness, labored breathing, and eventually unconsciousness.